Personalized Hot Air Balloon | I Love My Tutu | Grandson Granddaughter T-Shirt. The charming design is sure to bring smiles and spark imagination, making it a thoughtful gift for any grandchild. Give the gift of love and adventure today! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.